100204124100401 has 4 divisors (see below), whose sum is σ = 100204156583412. Its totient is φ = 100204091617392.

The previous prime is 100204124100391. The next prime is 100204124100413. The reversal of 100204124100401 is 104001421402001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71057903272225 + 29146220828176 = 8429585^2 + 5398724^2 .

It is a cyclic number.

It is not a de Polignac number, because 100204124100401 - 2⁶ = 100204124100337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100204124100491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11064146 + ... + 17967291.

It is an arithmetic number, because the mean of its divisors is an integer number (25051039145853).

Almost surely, 2^{100204124100401} is an apocalyptic number.

It is an amenable number.

100204124100401 is a deficient number, since it is larger than the sum of its proper divisors (32483011).

100204124100401 is an equidigital number, since it uses as much as digits as its factorization.

100204124100401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32483010.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100204124100401 its reverse (104001421402001), we get a palindrome (204205545502402).

The spelling of 100204124100401 in words is "one hundred trillion, two hundred four billion, one hundred twenty-four million, one hundred thousand, four hundred one".